Environment Earliest High-Altitude Settlements Found in Peru Discovery suggests humans adapted to high altitude faster than previously thought. Nathan Collins
News in Brief My Politicians Are Better Looking Than Yours A new study finds we judge the cover by the book—or at least the party. Nathan Collins
Environment That Cigarette Would Make a Great Water Filter Clean out the ashtray, add some aluminum oxide, and you've (almost) got yourself a low-cost way to remove arsenic from drinking water. Nathan Collins
News in Brief Love and Hate in Israel and Palestine Psychologists find that parties to a conflict think they're motivated by love while their enemies are motivated by hate. Nathan Collins
Environment How to Water a Farm in Sandy Ground Physicists investigate how to grow food more efficiently in fine-grained soil. Nathan Collins
Social Justice Unlocking Consciousness A study of vegetative patients closes in on the nature of consciousness. Nathan Collins
Social Justice Advice for Emergency Alert Systems: Don’t Cry Wolf A survey finds college students don't always take alerts seriously. Nathan Collins
Social Justice Brain’s Reward Center Does More Than Manage Rewards Nucleus accumbens tracks many different connections in the world, a new rat study suggests. Nathan Collins
Social Justice A City’s Fingerprints Lie in Its Streets and Alleyways Researchers propose another way to analyze the character and evolution of cities. Nathan Collins
Social Justice When Violins Meet Leaf Analysis Techniques used to analyze leaf shapes reveal the subtle evolution of the violin. Nathan Collins